@charset "utf-8";

.nav {
	background-color: rgba(0, 0, 0, 0.4);
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 100;
	height: 50px;
}

.nav .container {
	position: relative;
}

.nav .logo {
	position: absolute;
	top: 0;
	left: 0;
}

.nav ul {
	position: absolute;
	left: 180px;
	z-index: 99;
}

.nav ul li {
	float: left;
	height: 50px;
	width: 120px;
	text-align: center;
	line-height: 50px;
}



.nav ul li dl {
	background-color: rgba(0, 0, 0, 0.4);
	color: #fff;
	font-size: 16px;
	display: none;
}

.nav ul li dl dd:hover,
.nav ul li a:hover {
	background-color: #f596aa;
}
.nav ul li b:hover {
	background-color: #6ac370;
}
.nav ul li c:hover {
	background-color: #f0a624;
}
.nav ul li d:hover {
	background-color: #85bbd1;
}
.nav ul li e:hover {
	background-color: #fff;
}
.nav ul li a {
	color: #fff;
	font-size: 16px;
	display: block;
}
.nav ul li b {
	color: #fff;
	font-size: 16px;
	display: block;
}
.nav ul li c {
	color: #fff;
	font-size: 16px;
	display: block;
}
.nav ul li d {
	color: #fff;
	font-size: 16px;
	display: block;
}
.nav ul li e {
	color: #000;
	font-size: 16px;
	display: block;
}

/* 轮播css */
.header .swiper-container .slide1 {
	background: url(../img/banner01.jpg) no-repeat center top;
	width: 1396px;
	height: 400px;
}

.header .swiper-container .slide2 {
	background: url(../img/banner02.jpg) no-repeat center top;
	background-size: cover;
	height: 400px;
}

.header .swiper-container .slide3 {
	background: url(../img/banner03.jpg) no-repeat center top;
	background-size: cover;
	height: 400px;
}

.header .swiper-container .slide4{
	background: url(../img/banner04.jpg) no-repeat center top;
	background-size: cover;
	height: 400px;
}

.title {
	text-align: center;
	margin-top: 40px;
}

.main_title {
	color: #396776;
	font-size: 25px;
}

.sub_title {
	font-size: 40px;
	color: #2a3940;
}

.floor1 .photos>div {
	float: left;
}

.floor1 .photos .rgt {
	float: right !important;
}

.floor1 .photos .ctr {
	margin-left: 14px;
	position: relative;
}

.floor1 .photos {
	margin-top: 30px;
}

.floor1 .photos .up {
	position: relative;
	height: 350px;
	overflow: hidden;
}

.floor1 .photos .down {
	margin-top: 10px;
	position: relative;
	height: 350px;
	overflow: hidden;
}

.floor1 .photos .ctr {
	height: 715px;
	overflow: hidden;
}

.floor1 .photos img {
	display: block;
}

.floor1 .photos .cover {
	position: absolute;
	top: 100%;
	left: 0;
	height: 100%;
	width: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	text-align: center;
	font-size: 22px;
	color: #fff;
	line-height: 350px;
}


.floor2 .photos {
	margin-top: 30px;
}

.floor2 .photos .wrapper>div {
	float: left;
	width: 25%;
}

.floor2 .photos .wrapper {
	margin-right: -15px;
}

.floor2 .photos .wrapper>div>div {
	margin-right: 15px;
	overflow: hidden;
	background-color: #000;
}

.floor2 .photos .wrapper>div>div img {
	width: 100%;
	display: block;
}

.floor3 .news {
	margin-top: 50px;
}

.floor3 .news ul li {
	float: left;
	width: 50%;
	margin-bottom: 45px;
}

.floor3 .news ul li>div {
	float: left;
}

.floor3 .news ul li .lft {
	position: relative;
}

.floor3 .news ul li .lft img {
	display: block;
	height: 100%;
}

.floor3 .news ul li .lft .cover {
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	width: 50%;
	background-color: rgba(255, 255, 255, 0.5);
	text-align: center;
	line-height: 92px;
	color: #000;
	font-size: 35px;
}

.floor3 .news ul li .rgt {
	width: 300px;
	margin-left: 15px;
}

.floor3 .news ul li .rgt .up {
	font-size: 18px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	border-bottom: 1px dashed #999;
	padding-bottom: 10px;
}

.floor3 .news ul li .rgt .down {
	height: 50px;
	margin-top: 10px;
	overflow: hidden;
}

.footer {
	background-color: #2a3940;
	height: 100px;
}

.footer .lft {
	width: 200px;
	float: left;
	padding-top: 10px;
}

.footer .rgt {
	width: 200px;
	float: right;
	color: #fff;
	padding-top: 20px;
}

.footer .rgt p {
	margin-top: 8px;
	font-size: 16px;
}

.gotoTop {
	position: fixed;
	left: 50%;
	margin-left: 560px;
	bottom: 15px;
	background: url(../img/arrow.png) no-repeat center center;
	background-color: rgba(40, 55, 62, 0.6);
	width: 40px;
	height: 40px;
	border-radius: 5px;
	cursor: pointer;
	opacity: 0;
}
